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\bibitem{KM3NeTCollaborationAdrian-Martinez_etal2014} KM3NeT Collaboration(Adrian-Martinez, S. et al), Calvo Diaz-Aldagalan, D., Hernandez-Rey, J. J., Martinez-Mora, J. A., Real, D., Zornoza, J. D., et al. (2014). Deep sea tests of a prototype of the KM3NeT digital optical module. \textit{Eur. Phys. J. C}, \textit{74}(9), 3056--8pp.

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